Level 14 → 15

Level Goal

The password for the next level can be retrieved by submitting the password of the current level to port 30000 on localhost.

Write-Up

1. The password for the bandit14 level: MU4VWeTyJk8ROof1qqmcBPaLh7lDCPvS

2. Use Netcat nc to connect to localhost on port 30000 and submit the password:

echo "MU4VWeTyJk8ROof1qqmcBPaLh7lDCPvS" | nc localhost 30000

• echo "MU4VWeTyJk8ROof1qqmcBPaLh7lDCPvS": Outputs the bandit14 password

• |: Pipes the output to the next command

• nc localhost 30000: Connects to localhost on port 30000 and sends the piped input

The server responds with the password for the next level: 8xCjnmgoKbGLhHFAZlGE5Tmu4M2tKJQo

1. Access the next level:

ssh [e-mail] -p 2220

Enter the password when prompted.

Lessons Learned

• Netcat nc is a versatile tool for reading from and writing to network connections

• Local services can be accessed using localhost as the hostname

• Piping commands can be used to send data to network services

-- Othmane